326 NORTH AMERICAN BIRDS. 



middle coverts and broad white edgings to greater coverts and tertials ; tail 

 black, the feathers broadly tipped with white (decreasing in width toward 

 middle pair) ; sides of head and entire lower parts plain light ash-gray, nearly 

 white on throat, middle of belly, and under tail-coverts. Adult female : Top 

 of head glossy black, mixed with rusty, especially on forehead ; wings dusky, 

 the middle and greater coverts broadly tipped, and other wing-feathers edged, 

 with tawny ochraceous ; rest of upper parts plain bright tawny, or tawny 

 ochraceous, the tail-feathers with a broad subterminal patch of black ; sides 

 of head and entire lower parts uniform buffy ochraceous. Young male : Simi- 

 lar to adult female, but paler and more yellowish beneath. Length about 

 6.25-7.00, wing 3.10-3.25, tail 2.60-2.70, exposed culmen .50-.60, tarsus .70-80. 

 Hob. Eastern Mexico (north to Eio Grande Valley) and south to Guatemala. 



P. major (CAB.). Thick-billed Becard. 1 



a 1 . Wings and tail unicolored (plain rusty or tawny rufous) ; sexes alike in color 

 (the adult male being distinguished by rudimentary second primary). 

 Above uniform deep tawny rufous, darker on top of head; lower parts 

 entirely plain tawny ochraceous, paler on chin and middle of belly ; length 

 about 5.25-5.50, wing 3.00-3.10, tail 2.45-2.60, exposed culmen .45-.50, tar- 

 sus .75-.80. Sab. Central America (Guatemala to Colombia). 



P. cinnamomeus LAWR. Rufous Becard. 2 



FAMILY TYRANNID^E. THE TYRANT FYLCATCHERS. (Page 321.) 



Genera. 



a 1 . Tail much longer than wing,*very deeply forked Milvulus. (Page 327.) 



a 2 . Tail not longer than wing, not deeply forked. 



b l . Bill from nostril more than half as long as tarsus, the culmen straight for 



most of its length. 

 c 1 . Adults with a bright-colored (yellow, orange, or red) concealed patch 



on crown ; tarsus not longer than middle toe, with claw. 

 d 1 . Plumage not striped. 



e l . Bill broad at base, its width at nostrils much more than half 

 the distance from nostril to tip ; adults with outer quills 



abruptly narrowed at tip Tyrannus. (Page 328.) 



e 7 . Bill narrow at base, its width at nostrils not more than half 

 the distance from nostril to tip ; adults with outer quills 



not narrowed at tip Pitangus. (Page 330.) 



d 1 . Plumage conspicuously striped. (Wing about 4.50.) 



Myiodynastes. (Page 331.) 

 <?. Adults without bright-colored patch on crown ; tarsus longer than 



1 Bathmidurun major CAB., Weigm. Archiv, 1847, i. 243. Pachyrhamphus major SCL., P. Z. S. 1857, 78. 

 1 Pachyrhamphus cinnamomeus LAWK., Ann. Lye. N. Y. vii. 1861, 295. 



